<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div 
                 class="icon"
                 v-for="item of page"
                 :key='item.id'
                >
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl" alt="">
                    </div>
                    <p class="icon-des">{{item.desc}}</p>
                </div>
            </swiper-slide>
            <!-- Optional controls -->
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
    name:'HomeIcons',
    props:{
        list:Array
    },
    data(){
        return{
            swiperOption:{
                autoplay:false
            }
        }
    },
    computed:{
            pages (){
                const pages=[]
                this.list.forEach((item,index)=>{
                    const page = Math.floor(index /8);
                    if(!pages[page]){
                        pages[page]=[];
                    }
                    pages[page].push(item);
                });
                return pages
            }
        }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibales.styl';
@import '~styles/mixins.styl';
    .icons >>> .swiper-container
        height :0
        padding-bottom :50%
    .icons
        margin-top :.2rem
        .icon
                position:relative
                overflow: hidden
                float :left
                width :25%
                height :0
                padding-bottom :25%
                .icon-img
                    position:absolute
                    top:0
                    left:0
                    bottom:.44rem
                    box-sizing :border-box
                    padding:.1px
                    .icon-img-content
                        display:block
                        margin :0 auto
                        height :100%
                .icon-des
                    position :absolute
                    left :0
                    right:0
                    bottom:0
                    height :.44rem
                    line-height :.44rem
                    text-align :center
                    color :$darkTextColor
                    // 实现。。。效果
                    ellipsis()


</style>